NBDHE Oral Pathology and Disease Recognition 1

Question 1

Which oral lesion appears as a white, non-removable plaque on the oral mucosa that cannot be attributed to any other known disease?

Accepted Answer

Leukoplakia

Answer

Leukoplakia is defined as a white patch that cannot be scraped off and has no other identifiable cause.

Question 2

What is the most common oral malignancy?

Accepted Answer

Squamous cell carcinoma

Answer

Squamous cell carcinoma accounts for approximately 90% of all oral cancers.

Question 3

Which condition is characterized by a painful, recurrent ulceration on the oral mucosa with a yellow-gray pseudomembrane and an erythematous halo?

Accepted Answer

Aphthous ulcer

Answer

Aphthous ulcers (canker sores) present as painful, recurrent mucosal ulcers surrounded by a red halo.

Question 4

Hairy leukoplakia, associated with Epstein-Barr virus, is most commonly found in patients with which condition?

Accepted Answer

HIV/AIDS

Answer

Hairy leukoplakia is an opportunistic infection caused by EBV that occurs predominantly in immunocompromised individuals, especially those with HIV/AIDS.

Question 5

A smooth, red, painful area on the dorsal tongue caused by atrophy of filiform papillae is characteristic of which condition?

Accepted Answer

Median rhomboid glossitis

Answer

Median rhomboid glossitis presents as a smooth, erythematous, rhomboid area in the midline of the posterior dorsal tongue due to papillary atrophy.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE Oral Pathology and Disease Recognition 1